1. Department of Entomology, University of Maryland, College Park, Maryland 20742;
2. By agreement of all authors, the names of the second through sixth authors are presented in alphabetical order
3. Department of Entomology, Purdue University, West Lafayette, Indiana 47907
4. Department of Entomology, Texas A&M University, College Station, Texas 77843
5. Department of Entomology, Michigan State University, East Lansing, Michigan 48824